*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0e1018;
  --bg-card: #141824;
  --bg-elevated: #181e2e;
  --border: #252f45;
  --border-hover: #3d5a8a;
  --text: #e8e8f0;
  --text-muted: #9aa8c4;
  --text-dim: #7a88a8;
  --accent: #7eb8ff;
  --accent-hover: #a8d4ff;
  --gradient: linear-gradient(135deg, #16162a 0%, #0f2848 55%, #12243a 100%);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* —— Top nav —— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 16, 24, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.logo {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo span { color: var(--text-muted); font-weight: 400; }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.1rem;
  list-style: none;
  font-size: 0.88rem;
}

.nav-links a { color: var(--text-muted); }
.nav-links a:hover { color: var(--text); }

.lang-btn {
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.lang-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* —— Hero —— */
.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-inner {
  padding: 2.5rem 2rem;
  background: var(--gradient);
  border-radius: 16px;
  border: 1px solid #2a3a5c;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  max-width: 36ch;
  margin-bottom: 0.75rem;
}

.hero .subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin-bottom: 1.5rem;
}

.hero-meta {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.65rem 1.35rem;
  border-radius: 8px;
  background: #1e3a5f;
  border: 1px solid #3d6a9e;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.15s, border-color 0.15s;
}

.btn-primary:hover {
  background: #254a75;
  border-color: #5b8fd4;
  color: #fff;
}

/* —— Sections —— */
section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.section-intro {
  color: var(--text-muted);
  max-width: 55ch;
  margin-bottom: 1.75rem;
  font-size: 0.95rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.pillar {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.pillar h3 {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8b9bc4;
  margin-bottom: 0.75rem;
}

.pillar ul {
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pillar li {
  padding: 0.35rem 0;
  padding-left: 1rem;
  position: relative;
}

.pillar li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* —— About & contact —— */
.about-block, .contact-block {
  max-width: 55ch;
}

.about-block p, .contact-block p {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.about-cnpj {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.contact-email {
  font-size: 1.15rem;
  font-weight: 500;
}

/* —— Footer —— */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-inner { padding: 1.75rem 1.25rem; }
}